Diana Nolan is a Mexican voice actress known for her extensive work in dubbing anime, films, and television series into Latin American Spanish. Born Diana Janet Nolan Figueroa on October 18, 1988, in Cuernavaca, Morelos, her interest in voice acting began at the age of fourteen after she became fascinated with the art of dubbing. She started her training at a studio called Doblajes París in her home state, where she completed her first courses and voiced her initial characters. After four years of gaining experience, she moved to Mexico City to pursue university-level studies in theater and acting. Following a period away from dubbing while in university, she was invited to work at the studio VSI Dubbing in Cuernavaca and later began working with the prominent Mexico City studio Macías Group, with which she remains affiliated.

Nolan has built a prolific career, lending her voice to a wide array of characters in anime. One of her notable roles is Tsukushi Tsutsukakushi in the 2022 Latin Spanish dub of the anime series The "Hentai" Prince and the Stony Cat (also known as El príncipe pervertido y el gato de piedra), which was produced by the streaming platform Anime Onegai. Her other significant anime credits include Kanna in Inuyasha and its sequel The Final Act, Mina Ashido in My Hero Academia and its film My Hero Academia: Two Heroes, and Rico Brzenska in Attack on Titan. She has also voiced characters in long-running franchises such as Anna in Pokémon Sun & Moon, Aura Sentia in Yu-Gi-Oh! ARC-V, and has taken on roles in series like Tsukimichi: Moonlit Fantasy, Fairy Tail, and Kuroko's Basketball. Her filmography includes voice work for a vast number of other anime series, often in supporting or additional voice roles, demonstrating her versatility and high demand in the industry.

Beyond anime, Nolan's career encompasses a broad range of dubbing work. She has provided voices for characters in live-action films and series, such as Stephanie in the series adaptation of the video game Fallout and Cicada in The Flash. Her film work includes dubbing for titles like Lore, The Devil Wears Prada, and the Brazilian telenovela Justiça. She has also contributed her voice to animated series, documentaries, and video games. In addition to her performance work, Nolan has worked as a translator and adapter of scripts for dubbing. With over 80 credited roles to her name, Diana Nolan is recognized as an established and active figure in the Mexican voice acting community.